body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0A2463, #7C3E66);
    color: white;
    line-height: 1.6;
    padding: 20px;
    overflow-x: hidden;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 36px;
    font-weight: bold;
    letter-spacing: 2px;
    margin: 0;
}

header p {
    font-size: 18px;
    margin-top: 10px;
}

.container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.left-section {
    background-color: rgba(10, 36, 99, 0.8);
    padding: 20px;
    border-radius: 10px;
    position: relative;
}

.right-section {
    background-color: rgba(124, 62, 102, 0.8);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card {
    perspective: 1000px;
    margin-bottom: 20px;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card:hover .card-inner {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    backface-visibility: hidden;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card-front {
    background-color: #ffffff;
    color: #0A2463;
}

.card-back {
    background-color: #7C3E66;
    color: white;
    transform: rotateY(180deg);
}

p.tip {
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 20px;
}

pre {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    color: #FFD700;
    font-family: 'Courier New', monospace;
}

@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }

    header h1 {
        font-size: 28px;
    }
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: move 3s infinite;
}

@keyframes move {
    0% { transform: translate(0, 0); }
    50% { transform: translate(100px, -100px); }
    100% { transform: translate(0, 0); }
}